Exact and Approximate Solution of Multi-Higher Order Fractional Differential Equations Via Sawi Transform and Sequential Approximation Method. JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences, [S. l.], v. 32, n. 1, p. 311–334, 2024. DOI: 10.29196/jtxxvm65. Disponível em: https://www.journalofbabylon.com/index.php/JUBPAS/article/view/5139. Acesso em: 3 may. 2025.